1、Resistance bands with sliding handles allow you to train your swim stroke while working tone and fitness even without a pool. 2、High quality resistance tube let you perform vertical, horizontal, and diagonal exercises for hand and forearm positioning that is ergonomic and practical. 3、Unlike regular tension bands, this stretching workout equipment provides a consistent resistance level with every stretch to help execute each move with proper tension. 4、Simple to pack and take wherever you travel, these training resistance bands allow for portable, functional training for lifting, strength, and swimming skills at home or outdoors. 5、Can be a great helper for swimming beginners. 2 x Swimming Arm Training Belt 1 x Carry Bag Material: TPE Specifications: Yellow: 20LB, Green: 30LB, Red: 40LB, Blue: 50LB, Black: 60LB Size: about 115cm Applicable scenarios: fitness equipment